Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763569AbXFTSoq (ORCPT ); Wed, 20 Jun 2007 14:44:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760033AbXFTSdV (ORCPT ); Wed, 20 Jun 2007 14:33:21 -0400 Received: from mail.gmx.net ([213.165.64.20]:60393 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1760064AbXFTSdT (ORCPT ); Wed, 20 Jun 2007 14:33:19 -0400 X-Authenticated: #5039886 X-Provags-ID: V01U2FsdGVkX1+DmCAUu7iDyHcn5fVhbgcreqgBde7zfzwrdwOVMF QHQWoxw28AZfW6 Date: Wed, 20 Jun 2007 20:33:15 +0200 From: =?iso-8859-1?Q?Bj=F6rn?= Steinbrink To: Andi Kleen Cc: eranian@hpl.hp.com, mingo@elte.hu, linux-kernel@vger.kernel.org, levon@movementarian.org, perfmon@napali.hpl.hp.com, oprofile-list@lists.sourceforge.net, wcohen@redhat.com, akpm@linux-foundation.org Subject: Re: [perfmon] Re: [PATCH 1/2] Separate the performance counter allocation from the LAPIC NMI watchdog Message-ID: <20070620183315.GA3251@atjola.homenet> Mail-Followup-To: =?iso-8859-1?Q?Bj=F6rn?= Steinbrink , Andi Kleen , eranian@hpl.hp.com, mingo@elte.hu, linux-kernel@vger.kernel.org, levon@movementarian.org, perfmon@napali.hpl.hp.com, oprofile-list@lists.sourceforge.net, wcohen@redhat.com, akpm@linux-foundation.org References: <20070618103214.GA12045@atjola.homenet> <200706201431.44014.ak@suse.de> <20070620124959.GB24906@frankl.hpl.hp.com> <200706201501.02582.ak@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <200706201501.02582.ak@suse.de> User-Agent: Mutt/1.5.13 (2006-08-11) X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 767 Lines: 19 On 2007.06.20 15:01:02 +0200, Andi Kleen wrote: > > > Once this is fixed (which is what Bjorn did), then I will agree with you. > > For this, the allocator needs to be able to probe the CPU and initialize > > its own data structures. > > Ok that sounds reasonable. Please someone send a patch that does only > that. OK, here come the bugfixes without any restructuring. The first patch enables unconditional probing of the watchdog. The second makes the perfmon nmi watchdog reserve the correct perfctr/evntsel. Bj?rn - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/